72V293L10PFI Integrated Device Technology (Idt), 72V293L10PFI Datasheet - Page 16

• Manufacturer Part Number: 72V293L10PFI
• Description: FIFO Mem Sync Dual Depth/Width Uni-Dir 64K x 18/128K x 9 80-Pin TQFP
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 72V293L10PFI

• Package: 80TQFP
• Configuration: Dual
• Bus Directional: Uni-Directional
• Density: 1.125 Mb
• Organization: 64Kx18|128Kx9
• Data Bus Width: 18|9 Bit
• Timing Type: Synchronous
• Expansion Type: Depth|Width
• Typical Operating Supply Voltage: 3.3 V
• Operating Temperature: -40 to 85 °C

NOTES:
1. The programming method can only be selected at Master Reset.
2. Parallel reading of the offset registers is always permitted regardless of which programming method has been selected.
3. The programming sequence applies to both IDT Standard and FWFT modes.
IDT72V223/233/243/253/263/273/283/293 3.3V HIGH DENSITY SUPERSYNC II
512 x 18, 1K x 9/18, 2K x 9/18, 4K x 9/18, 8K x 9/18, 16K x 9/18, 32K x 9/18, 64K x 9/18, 128K x 9
LD
0
0
0
X
1
1
1
WEN
1
1
0
X
1
0
1
REN
0
1
1
1
X
0
1
SEN
1
1
0
1
X
X
X
WCLK
X
X
X
X
Figure 3. Programmable Flag Offset Programming Sequence (Continued)
RCLK
X
X
X
X
X
Serial shift into registers:
20 bits for the IDT72V223
22 bits for the IDT72V233
24 bits for the IDT72V243
26 bits for the IDT72V253
28 bits for the IDT72V263
30 bits for the IDT72V273
32 bits for the IDT72V283
34 bits for the IDT72V293
1 bit for each rising WCLK edge
Starting with Empty Offset (LSB)
Ending with Full Offset (MSB)
x9 to x9 Mode
16
TM
Parallel read from registers:
Empty Offset (LSB)
Empty Offset (MSB)
Full Offset (LSB)
Full Offset (MSB)
IDT72V223, IDT72V233
IDT72V243, IDT72V253
IDT72V263, IDT72V273
IDT72V283, IDT72V293
Parallel write to registers:
Empty Offset (LSB)
Empty Offset (MSB)
Full Offset (LSB)
Full Offset (MSB)
NARROW BUS FIFO
Read Memory
No Operation
Write Memory
No Operation
Serial shift into registers:
1 bit for each rising WCLK edge
Starting with Empty Offset (LSB)
Ending with Full Offset (MSB)
18 bits for the IDT72V223
20 bits for the IDT72V233
22 bits for the IDT72V243
24 bits for the IDT72V253
26 bits for the IDT72V263
28 bits for the IDT72V273
30 bits for the IDT72V283
32 bits for the IDT72V293
COMMERCIAL AND INDUSTRIAL
All Other Modes
TEMPERATURE RANGES
FEBRUARY 11, 2009
4666 drw06a